1
imperforate
1
impossible
1
inaccessible
1
intact
1
intractable
1
intricate
1
invious(difficulty, closure)
1
knotted
1
knotty
1
labyrinthine
1
shoreless(adjective, space)
1
unaccessible
1
unexplored
1
untraversed(adjective, untrodden)
1
wayless
0
blockaded
0
caecal
0
closable
0
empty
0
feasible
11 years ago|2k views|share |citing 
APASmart Define. (2015). pathless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/pathless/thesaurus/synonyms
ChicagoSmart Define. 2015. "pathless thesaurus" https://smartdefine.org/pathless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, pathless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/pathless/thesaurus/synonyms>.
MLASmart Define. "pathless thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/pathless/thesaurus/synonyms>